Back in May, we reported on the arrests of the head of Japanese secondhand book store chain Mandarake and four of its employees over the sale of sexually explicit old photo books, which the chain apparently sold online and at two of its stores. Though "hair nude" photo books with full-frontal nudity have been produced and sold by mainstream publishers for decades, the books in question here were so-called "vinyl books," which are older and more obscure -- and less regulated. They constitute a kind of gray zone in terms of adult publications in Japan: hair nude books are "celebrity books" or ...

People have arrested the CEO of famous Japanese secondhand book store chain Mandarake as well as four employees in connection with the sale of obscene material. Best known for manga but also offering collectibles, doujinshi, and anime toys, Mandarake was selling so-called "vinyl books," a term referring to pornographic photo books from the 1970s and 1980s that showed genitalia. (The "vinyl" part means the plastic that was used to cover the books.) As regular readers will know, Japan's strange obscenity laws mean it is nominally illegal to show actual genitalia, hence adult video is ...